Aircraft model · Fixed wing single engine · Airplane · registry code 6400420

Manufacturer (registry)
NORTH AMERICAN
Model
AT-6F
Registry code
6400420
Registered
22 aircraft
Type
Fixed wing single engine
Engines
1 · Reciprocating
Seats
2
Weight class
Up to 12,499 lb
Cruise speed
141 mph
Certification
Type certificated
Data sheet
TCDSA-2-575
Holder
The Boeing Company

Model codes come from the FAA registry’s reference file. ADs are matched to them by model name and maker.

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Aircraft by year built · 25

1944Registered nowDeregistered2026
Aircraft by the year they were built: 25 aircraft
19449
19454
19471
19562
19573
19581
19591
19641
19651
19721
19981

Airworthiness directives that may apply · 6

ADs whose products match this airframe model. Each AD’s applicability may narrow it by serial number, part number or configuration.

1981In forceSuperseded2026
ADs by the year they took effect: 5 ADs
19811
20052
20111
20231
Query with SQL
duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.effective_date
  FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
  WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code IN ('6400420'))
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Information bulletins that may apply · 2

Query with SQL
duckdb -csv -c "SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
  FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
  WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_saib.parquet' WHERE aircraft_model_code IN ('6400420'))
  GROUP BY s.saib_number ORDER BY issue_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Registered aircraft · 22

See all 22 registered aircraft
Query with SQL
duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
  WHERE aircraft_model_code IN ('6400420')
  ORDER BY n_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB investigations · 8

Aircraft matched to this model through the registry, by N-number and event date, checked against the reported serial number, make and model.

NTSB CEN21LA352Accident · No injuriesClass 4 · LimitedFinal reportNorth American AT-6F · Adrian, MIThe loss of control during landing due to the out of rig condition of the tailwheel which resulted in a ground loop and impact with the runway.Jul 28, 2021 · N6601C · Substantial damageNTSB CEN19CA237Accident · No injuriesData collectionFinal reportNorth American AT 6F · Oshkosh, WIThe pilot's loss of directional control during landing with a quartering tailwind, which resulted in a runway excursion and subsequent substantial damage.Jul 24, 2019 · N7976A · Substantial damageNTSB WPR10FA162Accident · 2 fatalField investigationFinal reportNorth American AT6 · Bakersfield, CAThe pilots did not maintain clearance from terrain for undetermined reasons.Mar 17, 2010 · N75AG · Substantial damageNTSB LAX00LA254Accident · Minor injuriesLimited investigationFinal reportNorth American AT-6F · Grass Valley, CAfailure of the pilot to maintain directional control during the landing roll resulting in a collision with terrain.Jul 7, 2000 · N7475C · Substantial damageNTSB LAX81FA105Accident · 2 fatalClosedN American AT-6 · California Vly, CAJul 18, 1981 · N7475C · DestroyedNTSB MIA79FLA26Accident · No injuriesClosedN American AT-6F · Daytona Beach, FLMar 5, 1979 · N82583 · Substantial damageNTSB CHI70AC092Accident · 2 fatalClosedN.American AT6-F · Ann Arbor, MIJun 23, 1970 · N445C · DestroyedNTSB NYC66F0258Accident · No injuriesClosedNo American AT-6 · Newcomb, NYSep 4, 1965 · N3646F · Substantial damage
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
  WHERE a.aircraft_model_code IN ('6400420')
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

FAA incident reports · 9

Matched to this model through the registry, by N-number and event date, checked against the reported make and model.

Incident 20260129004339INorth American AT-6F · Arcadia, FLAircraft right main landing gear collapsed after landing and short taxi off runway and into grass.Jan 29, 2026 · N6601C · Minor damageAccident 20210728019929ANorth American AT-6F · Adrian, MIFrom the pilot: the landing was a normal centerline wheel landing. After the tailwheel settled the aircraft started tracking left. I applied increasing right rudder attempting to arrest the left track. Full rudder had no effect, I then applied right…Jul 28, 2021 · N6601C · Substantial damageAccident 20190724015059ANorth American AT-6F · Oshkosh, WIAircraft was landing and ground looped.Jul 24, 2019 · N7976A · Substantial damageAccident 20100317029629ANorth Ameri AT-6F · Shafter, CAOn March 17, 2010, N75AG a North American AT-6F was operating approximately 12 miles west of bakersfield CA. The aircraft was observed at 5000' performing practice flights with turns for air raceing. The aircraft began a descented which resulted in impact…Mar 17, 2010 · N75AG · Destroyed · 2 fatalIncident 20070617009759INamer AT6F · Knights Perry, CA(-23) On Sunday June 17, 2007, at approximately 1420 PDT, a north American T-6, N75AG flew low over the water at tulloch, lake bordering the California county lines of tuolumne and calaveras. The airplane departed columbia airport a few minutes earlier after…Jun 17, 2007 · N75AG · Minor damageAccident 20000407039759ANamer AT6F · Grass Valley, CA(-23)The aircraft bounced after touchdown, pilot applied rudder to correct drift but was unable to compensate. The pilot then applied power to takeo ff again, but the aircraft exited the runway and crashed into surrounding terrain.Apr 7, 2000 · N7475C · No damageIncident 19970309007229INamer AT6F · Monterey, CANarrative: pilot stated: on March 9, 1997, I was landing on 28R mry, winds were light but a slight crosswind. After normal 3 point touchdown, I felt my left wing coming up. After lowering wing, aircraft started a ground loop to the right, with full rudder…Mar 9, 1997 · N7475C · Minor damageIncident 19950816024119INamer AT6F · Lambertville, MILanding gear collapsed on landing roll. Inspection pending.Aug 16, 1995 · N6601C · Minor damageAccident 19810718080819ANamer AT6F · California Vall, CAStalled on pullup from low pass traning manuever. Overcontrolled recovery. Entered flat spin to ground impact.Jul 18, 1981 · N7475C · Destroyed
Query with SQL
duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
  FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
  WHERE aircraft_model_code IN ('6400420')
  ORDER BY event_date DESC, report_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Service difficulty reports · 1

Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE aircraft_model_key = 'AT6F'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

STCs that may be installed · 107

Approved for this model: the STC’s model list names it on its data sheet, or a series that includes it. The registry doesn’t record which STCs an aircraft has.

See all 107 STCs
Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
  FROM (
    SELECT stc_number, min(matched_model) AS matched_model
    FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet'
    WHERE aircraft_model_code IN ('6400420')
    GROUP BY stc_number
  ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
  ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

PMA parts · 100

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this model on its data sheet, so check the FAA record before relying on it. Newest first.

See all 100 PMA parts
Query with SQL
duckdb -csv -c "SELECT drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models
  FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet'
  WHERE tcds_number IN ('A-2-575')
    AND len(list_intersect(tcds_models, ['AT-6F (SNJ-6)'])) > 0
  ORDER BY supplement_date DESC, drs_guid DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

Query with SQL
duckdb -csv -c "SELECT m.code, m.manufacturer, m.model, count(g.n_number) AS aircraft
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet' g ON g.aircraft_model_code = m.code
  WHERE m.match_key = 'AT6F' AND m.code NOT IN ('6400420')
  GROUP BY ALL
  ORDER BY aircraft DESC
  LIMIT 12"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.